These entries are queried from radb.net using whois, you can try my project getting these.
:AS-U46 as-set: AS-U46 descr: U46 Ltd tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ANDYMILLAR-MNT mnt-by: hmflx-mnt created: 2014-02-04T06:42:49Z last-modified: 2017-06-23T11:05:52Z source: RIPE members: AS62136 members: AS199766 remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************